44040187 has 2 divisors, whose sum is σ = 44040188. Its totient is φ = 44040186.

The previous prime is 44040169. The next prime is 44040253. The reversal of 44040187 is 78104044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44040187 - 2²³ = 35651579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44040107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22020093 + 22020094.

It is an arithmetic number, because the mean of its divisors is an integer number (22020094).

Almost surely, 2^44040187 is an apocalyptic number.

44040187 is a deficient number, since it is larger than the sum of its proper divisors (1).

44040187 is an equidigital number, since it uses as much as digits as its factorization.

44040187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 44040187 is about 6636.2780984525. The cubic root of 44040187 is about 353.1422812124.

The spelling of 44040187 in words is "forty-four million, forty thousand, one hundred eighty-seven".